我國開發超級電容器
http://kadhoai.com.cn 2026-05-01 13:15:15 來源:中國電子元件行業協會
據英國《新科學家》雜za誌zhi報bao道dao,由you納na米mi花hua和he納na米mi草cao組zu成cheng的de納na米mi級ji牧mu場chang可ke以yi將jiang越yue來lai越yue多duo的de能neng量liang貯zhu存cun在zai超chao級ji電dian容rong器qi中zhong,而er超chao級ji電dian容rong器qi可ke以yi取qu代dai電dian動dong汽qi車che中zhong所suo使shi用yong的de電dian池chi。
youyudianchizhucundeshihuaxueneng,yincidemanmanchongdian,xiangbizhixia,dianrongqizhucundeshidianneng,yincizaichongdiandetongshinenghenkuaichongmandian,zhishidianliangbutaiduo。dansuizhejishudejinbu,jinnianlaidedianrongqidedaolehendadetisheng,muqianzhengzaikaifadechaojidianrongqizhucundedianliangshiyibandianrongqideshuqianbei,yincikeyiqudongdiandonggongjushenzhidiandongqiche。buguo,zaizhenzhengshiyongzhiqian,chaojidianrongqidezhudiannenglihaiyoudaijinyibutigao。erwoguokexuejiayijingzhaodaolexinbanfa,kewangrangtamenjinkuaiyingyongyushijizhong。
qishi,chaojidianrongqishiyizhongjiandanzhuangzhi,tamentongguoxuanfuzaidianjieyezhongdelianggedianjizhijiansuochanshengdedianyalaichongdian,jizhengliziyitoulianzheyigedianji,fuliziyitoulianzhelingyigedianji。youyucidianjishangtuyouduokongshenshuicailiao,keyixianghaimianyiyangxishoulizi,congerkeyidadaozhucunnengliangdemude。ciduokongshenshuicailiaoyibandoushiyonghuoxingtan。weitigaochaojidianrongqidezhudiannengli,jiuderangzhexietanhaimiangengjiaduokong。rujin,woguohuaxuefanghuyanjiusuodezhanghao(音譯)hebeijingdaxuedetongshiyidaocaiqulebutongdebanfalaigaijinchaojidianrongqidexingneng。tamenjianglizizhucunzaiyanghuamengzhong,eryanghuamengbihuoxingtanhaiyougengduodekongjianlaizhucunlizi。
raner,suiranyanghuamengzhucunlizihenchuse,dantayoujiaogaodedianzu,congershitahennanshixiandiyichangsuochongdian,dejinxingshuangbeichongdian。yushi,yanjiurenyuanjiangyanghuamengnamihuazhongzaizhijingdayue100納米的碳納米管草上,而碳納米管草又種在鉭金屬薄片上,由此形成了“納米牧場”的de精jing微wei結jie構gou。張zhang豪hao表biao示shi,每mei一yi朵duo氧yang化hua錳meng納na米mi花hua至zhi少shao有you二er根gen碳tan納na米mi管guan草cao支zhi撐cheng著zhe,後hou者zhe扮ban演yan電dian子zi超chao級ji公gong路lu,給gei上shang麵mian的de氧yang化hua錳meng納na米mi花hua供gong電dian。當dang氧yang化hua錳meng納na米mi花hua充chong上shang電dian之zhi後hou,它ta就jiu能neng吸xi附fu離li子zi,從cong而er能neng很hen好hao地di貯zhu電dian。
結果表明,納米牧場的貯電能力是單個氧化錳的貯電能力的10倍bei,所suo貯zhu備bei的de電dian量liang是shi現xian有you超chao級ji電dian容rong器qi所suo使shi用yong的de碳tan電dian極ji的de貯zhu電dian量liang的de二er倍bei。張zhang豪hao表biao示shi,而er且qie,納na米mi牧mu場chang的de複fu雜za結jie構gou可ke以yi抵di擋dang機ji械xie性xing能neng的de退tui化hua,從cong而er避bi免mian超chao級ji電dian容rong器qi的de性xing能neng隨sui時shi間jian的de過guo去qu而er下xia降jiang。測ce試shi結jie果guo表biao明ming,此ci新xin裝zhuang置zhi的de貯zhu電dian能neng力li在zai充chong電dian和he耗hao電dian2萬次循環之後僅僅下降了3%,勝過其它高性能的設計。
英國曼徹斯特大學的邁克·巴ba恩en斯si表biao示shi,這zhe是shi一yi種zhong提ti升sheng超chao級ji電dian容rong器qi性xing能neng的de有you趣qu辦ban法fa。但dan在zai上shang市shi銷xiao售shou之zhi前qian還hai得de讓rang它ta更geng能neng經jing受shou物wu理li方fang麵mian的de退tui化hua,也ye就jiu是shi更geng能neng耐nai用yong。一yi旦dan這zhe種zhong超chao級ji電dian容rong器qi用yong於yu電dian動dong汽qi車che上shang,踩cai刹sha車che的de同tong時shi就jiu能neng充chong滿man電dian。如ru果guo在zai城cheng市shi行xing駛shi的de話hua,1小時充電大約60次就可以了。